NagaSkaki

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Screen capture of NagaSkaki 5.00 [1] NagaSkaki,

a Chess Engine Communication Protocol compatible chess program by Neels Groenewald with an own graphical user interface. Various evaluation features such as point values are adjustable through personality sections inside an ini-file.

Board Representation

[2]

• Bitboards
• Classical Board Definition
• Shifted Bitboards

Search

[3]

• Iterative Deepening
• Aspiration Windows
• Alpha-Beta
• Transposition Table
• Move Ordering
  • Hash Move
  • Internal Iterative Deepening
  • MVV/LVA
  • Static Exchange Evaluation
  • Killer Heuristic
  • History Heuristic
• Selectivity
  • Pruning
    • Futility Pruning
    • Extended Futility Pruning
    • Null Move Pruning
  • Extensions
    • Check Extensions
    • Passed Pawn Extensions
    • Recapture Extensions
  • Quiescence Search

Evaluation

[4]

• Material
  • Point Values (100, 310, 320, 500, 1000) [5]
  • Bishop Pair
• Piece-Square Tables
• Mobility
  • Trapped Pieces
  • Rooks on (Semi) Open Files
• Knight Outposts
• Pawn Structure
  • Pawn Hash Table
  • Backward Pawn
  • Doubled Pawn
  • Isolated Pawn
  • Connected Pawns
  • Passed Pawn
    • Unstoppable Passer
    • Tarrasch Rule
• King Safety
  • Castling Rights
  • Pawn Shield
  • King Piece Tropism
  • Attacking King Zone
  • King close to Open File

Forum Posts#

• Nagaskaki ( what a name for a chess program) by Jorge Pichard, CCC, September 14, 2003
• Nagaskaki chess program by Lyn Harper, CCC, January 07, 2004
• NagaSkaki 4.0 by Robert Hollay, CCC, January 18, 2006
• NagaSkaki 5.00 - nice free engine with GUI by Graham Banks, CCC, May 02, 2008
• NagaSkaki 5.12 released by Graham Banks, CCC, May 13, 2008
• NagaSkaki by TomFurga, Hiarcs Forum, December 18, 2020

External Links#

• NagaSkaki
• NagaSkaki ( Wayback Machine, October 07, 2011)
• NagaSkaki: A Free chess program for Windows (2003, NagaSkaki 2.0)
• NagaSkaki 5.12 in CCRL 40/15

References#

1. ↑ NagaSkaki
2. ↑ How NagaSkaki plays chess - Move generation
3. ↑ How NagaSkaki plays chess - The thinking process
4. ↑ How NagaSkaki plays chess - Evaluation ( Wayback Machine)
5. ↑ Default values may be adjusted via ini-file

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